Greatest Common Divisor/Least Common Multiple; Permutation And Combination - Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual

Example
r
Calculate and ° when
1 1 24.989 24.989
2 2 55.928 55.928
x y
Calculate and
1 1 13.979 13.979
2 2 20.725 20.725

Permutation and Combination

Permutation
n P r = n P r =
• Be sure to specify Comp for Mode in the Setup screen.
Example 1 To calculate the possible number of different arrangements using 4
items selected from among 10 items
Formula
P = 5040
10 4
Example 2 To calculate the possible number of different combinations of 4 items
that can be selected from among 10 items
Formula
C = 210
10 4
Greatest Common Divisor (GCD), Least Common Multiple (LCM)
Example
To determine the greatest common
divisor of 28 and 35
(GCD (28, 35) = 7)
To determine the least common multiple
of 9 and 15
(LCM (9, 15) = 45)
x y
= 14 and = 20.7
24.98979792 (r) 24.98979792 (r)
55.92839019 ( ) 55.92839019 ( )
r
when = 25 and = 56°
13.97982259 (x) 13.97982259 (x)
20.72593931 (y) 20.72593931 (y)
II
* fx-7400G , fx-9750G
n ! n !
( n – r )! ( n – r )!
(SET UP)
(Deg)
( ) (ANGL)**
14 20.7
(Rec() 25
II
:
Combination
n C r = n C r =
10 ( ) (PROB)*
10 ( ) (PROB)*
( ) (NUM)*
35
( ) (NUM)*
2-18
Operation
( ) (Pol()
56
II
** fx-7400G :
n ! n !
r ! ( n – r )! r ! ( n – r )!
Operation
( P ) 4
n r
II
* fx-7400G :
Operation
( C ) 4
n r
II
* fx-7400G :
Operation
( ) (GCD) 28
( ) (LCM) 9
II
* fx-7400G :
*
(ANGL)
(PROB)
(PROB)
15
(NUM)